Finding the Fourth Proportional to 851,561.55, 1,277,588.87 and 252,537.12
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Solution
The fourth proportional to 851,561.55, 1,277,588.87 and 252,537.12 is: 378,878.79
Step by Step Solution
- Step 1: Write the proportion equation
851,561.55 : 1,277,588.87 = 252,537.12 : x - Step 2: Convert to fraction form
851,561.55/1,277,588.87 = 252,537.12/x - Step 3: Cross multiply
851,561.55x = 1,277,588.87 × 252,537.12 - Step 4: Simplify right side
851,561.55x = 322,638,613,773.85 - Step 5: Solve for x
x = 322,638,613,773.85/851,561.55 - Step 6: Final answer
x = 378,878.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.